psoas (n.) An internal muscle arising from the lumbar vertebrae and
inserted into the femur. In man there are usually two on each side, and
the larger one, or great psoas, forms a part of the iliopsoas.
Chambers DictionaryChamber's 20th Century Dictionary📕
psoas sō′as, n. a muscle of the loins and
pelvis: the tenderloin.—adj.Psoat′ic. [Gr. psoa, psua,
generally in pl. psoai, psuai.]
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